Adds the {gift_aid_status} tag to the PDF Receipt

give_add_gift_aid_status_pdf_tag.php

<?php
function give_add_gift_aid_status_pdf_tag( $template_content, $args ) {
	// during testing, uncomment the next line to see a full printed array of the possible args that you can query
	// var_dump("<pre>".print_r($args,true)."</pre>");
	
	$gift_aid_status     = isset( $args['payment_meta']['_give_gift_aid_accept_term_condition'] ) && $args['payment_meta']['_give_gift_aid_accept_term_condition'] == 'on' ? 'Yes' : 'No';
	$template_content = str_replace( '{gift_aid_status}', $gift_aid_status, $template_content );
	return $template_content;
}

add_filter( 'give_pdf_compiled_template_content', 'give_add_gift_aid_status_pdf_tag', 999, 2 );